drop database mysql

DROP DATABASE drops all tables in the database and deletes the database. The following command drops all databases in the mysql dbms except mysql, information_schema and performance_schema dbs. When you issue DROP DATABASE mydb; everything inside /var/lib/mysql/mydb is checked to see if OS permissions exists for the right to drop every file. MySQL drop all tables syntax: DROP DATABASE {mysql-database-name}Method #1: Empty database with root user. If innodb_file_per_table is OFF (default up until 5.5) then the dropped table remains in ibdata1. To use DROP DATABASE, you need the DROP privilege on the database. Here is an easy and step-by-step guide for completing this task. Some have felt … mysql -uroot -p -e "show databases" | grep -v Database | grep -v mysql| grep -v information_schema| gawk ' {print "drop database `" $1 "`;select sleep(0.1);"}' | mysql -uroot … DROP SCHEMA is a synonym for DROP DATABASE. echo mysql -u your_user -D your_database_name -e "DROP TABLE @@". Be very careful with this statement! DROP PROCEDURE IF EXISTS test_proc; Remember, just like table, it will drop the stored procedure if there is one exist, otherwise, it will just return a warning. 1. You can also delete a MySQL database from the Linux terminal by using the mysqladmin utility. xargs -I "@@" echo mysql -u your_user -D your_database_name -e "DROP TABLE @@". Depending on innodb_file_per_table setting the recovery process differs. which takes each line in the list of table names, and inserts it instead of the "@@" in the command. To drop an existing table in any database, you would need to use the PHP function mysql_query (). Now we shall delete that database using the following SQL query : DROP DATABASE students; Deleting an entire MySQL database by using phpMyAdmin in Xampp localhost is not a tough job. It is really interesting to see MySQL already having this feature for a while, whereas SQL Server just introduced this feature in this year. In this article, you will learn how to delete a database in phpMyAdmin within some simple steps. Login as MySQL root or admin user to drop atomstore database: The basic syntax of the command is as follows: DROP [TEMPORARY] TABLE [IF EXISTS] table_name [, table_name] [RESTRICT | CASCADE]; Let’s break down the syntax: The DROP TABLE statement deletes a table and its rows permanently. First, let us drop and recreate the sakila database by executing the following command. Execute the … For example, to delete a database named database_name, type the following command and enter your MySQL root user password when prompted: mysqladmin -u root -p drop database_name Conclusion # You have learned how to delete a MySQL database. In order to use this procedure you must have the drop and create database privilege (otherwise you will drop database but not able to create it again). Important: When a database is dropped, user privileges on the database are not automatically dropped. The [TEMPORARY] option ensures you remove temporary tables only. Following is the syntax of SQL query to delete a DATABASE: DROP DATABASE ; In our previous tutorial of creating a database, we have created “students” database. mysql> drop database sakila; Query OK, 24 rows affected (0.35 sec) mysql> create database sakila; Query OK, 1 row affected (0.01 sec) mysql> When you restore the database, instead of using mysqldump, you must use mysql; otherwise, the mysqldump will not generate the schema and the data. The matter is when MySQL executes DROP TABLE or DROP DATABASE (which is essentially the same) InnoDB doesn't wipe the data out. Pages with the data are still on disk. You will pass its second argument with a … Dropping Tables Using PHP Script. The DROP DATABASE command is used to delete an existing SQL database. Now we shall learn how to delete a database in MySQL. To remove a table in MySQL, use the DROP TABLE statement. 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